briefings from the cia andthefbi, todayboth the house and senate intelligence committees will hear from former cia director david fets. >> he interviewed many of the people as i understand it that were involved so the opportunity to get his views i think is very important. >> reporter: the closed door hearing is not expected to get into the affair that prompted petraeus to resign. the cia is now investigating whether he did anything wrong professionally. the fbi concluded it was a personal matter. >> we made the determination as we were going through the matter that there was not a threat to national security. >> reporter: petraeus testifies today on the deadly attack that killed four americans in benghazi. thursday lawmakers saw realtime video of that attack and got in a heated shouting match over whether united nations ambassador susan rice intentionally misled the public when she said it was spontaneous. >> this administration include the president himself has intentionally misinformed and lied to the american people in the aftermath of this tragedy. >> if you want to know who is res